public void FindAllArticulationVertices_FindsArticulationsForUndirectedGraphs([NotNull] string relationships,
string expected)
{
var graph = new LiteralGraph(relationships, false);
var actual = string.Join(",", graph.FindAllArticulationVertices());
Assert.AreEqual(expected, actual);
}
public void FindAllArticulationVertices_ThrowsException_ForDirectedGraphs()
{
var graph = new LiteralGraph("A>1>B", true);
Assert.Throws <InvalidOperationException>(() => graph.FindAllArticulationVertices());
}